6806725 has 6 divisors (see below), whose sum is σ = 8440370. Its totient is φ = 5445360.

The previous prime is 6806711. The next prime is 6806729. The reversal of 6806725 is 5276086.

It can be written as a sum of positive squares in 3 ways, for example, as 57121 + 6749604 = 239^2 + 2598^2 .

It is not a de Polignac number, because 6806725 - 2¹⁷ = 6675653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6806729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136110 + ... + 136159.

Almost surely, 2^6806725 is an apocalyptic number.

It is an amenable number.

6806725 is a deficient number, since it is larger than the sum of its proper divisors (1633645).

6806725 is a wasteful number, since it uses less digits than its factorization.

6806725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272279 (or 272274 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 6806725 is about 2608.9701033166. The cubic root of 6806725 is about 189.5160815549.

The spelling of 6806725 in words is "six million, eight hundred six thousand, seven hundred twenty-five".